*{
    padding: 0;
    margin: 0;
}

html body {
    width: 100%;
    height: 100%;
}

div {
    color: red;
}

.title {
    font-size: 36px;
    font-family: 'Times New Roman', Times, serif;
    font-weight: 500;
    text-align: center;
}

.green {
    color: green;
}

img{
    width: 100%;
    min-width: 100px;
    max-width: 500px;
}

.box {
    height: 100%;
    text-align: center;
}

.box-item {
    text-align: center;
    margin: 24px;
    border: 1px solid red;
}